20905632

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6599}}^1$

素因数の和:6626

約数の個数: 72

約数和(自身を含む): 64864800

約数和(自身を除く): 43959168

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6599, 13198, 19797, 26396, 39594, 52792, 59391, 72589, 79188, 105584, 118782, 145178, 158376, 211168, 217767, 237564, 290356, 316752, 435534, 475128, 580712, 633504, 653301, 871068, 950256, 1161424, 1306602, 1742136, 1900512, 2322848, 2613204, 3484272, 5226408, 6968544, 10452816, 20905632]

約数ペア:

[(1, 20905632), (2, 10452816), (3, 6968544), (4, 5226408), (6, 3484272), (8, 2613204), (9, 2322848), (11, 1900512), (12, 1742136), (16, 1306602), (18, 1161424), (22, 950256), (24, 871068), (32, 653301), (33, 633504), (36, 580712), (44, 475128), (48, 435534), (66, 316752), (72, 290356), (88, 237564), (96, 217767), (99, 211168), (132, 158376), (144, 145178), (176, 118782), (198, 105584), (264, 79188), (288, 72589), (352, 59391), (396, 52792), (528, 39594), (792, 26396), (1056, 19797), (1584, 13198), (3168, 6599)]